Home / 6,409.38-8,845.26-3,577.02

Finding the Fourth Proportional to 6,409.38, 8,845.26 and 3,577.02

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Solution

The fourth proportional to 6,409.38, 8,845.26 and 3,577.02 is: 4,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.38 : 8,845.26 = 3,577.02 : x
  2. Step 2: Convert to fraction form
    6,409.38/8,845.26 = 3,577.02/x
  3. Step 3: Cross multiply
    6,409.38x = 8,845.26 × 3,577.02
  4. Step 4: Simplify right side
    6,409.38x = 31,639,671.93
  5. Step 5: Solve for x
    x = 31,639,671.93/6,409.38
  6. Step 6: Final answer
    x = 4,936.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.